Search

Mark L. Fischer

Examiner (ID: 17129, Phone: (571)270-3549 , Office: P/2688 )

Most Active Art Unit
2688
Art Unit(s)
4114, 2627, 2687, 2686, 2688, 2692
Total Applications
1074
Issued Applications
745
Pending Applications
71
Abandoned Applications
274

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19697949 [patent_doc_number] => 20250016494 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => HEADSET EARPHONE FOR REDUCING NOISE AND WITH COAXIAL PLANAR SPEAKER [patent_app_type] => utility [patent_app_number] => 18/231613 [patent_app_country] => US [patent_app_date] => 2023-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1532 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18231613 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/231613
HEADSET EARPHONE FOR REDUCING NOISE AND WITH COAXIAL PLANAR SPEAKER Aug 7, 2023 Pending
Array ( [id] => 20531443 [patent_doc_number] => 12549894 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-10 [patent_title] => Implantable microphone management [patent_app_type] => utility [patent_app_number] => 18/231210 [patent_app_country] => US [patent_app_date] => 2023-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 15071 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18231210 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/231210
Implantable microphone management Aug 6, 2023 Issued
Array ( [id] => 19797488 [patent_doc_number] => 12238481 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-25 [patent_title] => Acoustic activity detection [patent_app_type] => utility [patent_app_number] => 18/359242 [patent_app_country] => US [patent_app_date] => 2023-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 15 [patent_no_of_words] => 6910 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18359242 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/359242
Acoustic activity detection Jul 25, 2023 Issued
Array ( [id] => 18945185 [patent_doc_number] => 20240040324 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => CABLE CONNECTOR FOR HEARING DEVICE [patent_app_type] => utility [patent_app_number] => 18/226598 [patent_app_country] => US [patent_app_date] => 2023-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9973 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18226598 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/226598
Cable connector for hearing device Jul 25, 2023 Issued
Array ( [id] => 19124501 [patent_doc_number] => 11968506 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-04-23 [patent_title] => Speakers [patent_app_type] => utility [patent_app_number] => 18/356205 [patent_app_country] => US [patent_app_date] => 2023-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 21388 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18356205 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/356205
Speakers Jul 19, 2023 Issued
Array ( [id] => 18759071 [patent_doc_number] => 20230362552 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => SOUND MEASURING DEVICE [patent_app_type] => utility [patent_app_number] => 18/221624 [patent_app_country] => US [patent_app_date] => 2023-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11725 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18221624 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/221624
Sound measuring device Jul 12, 2023 Issued
Array ( [id] => 18744951 [patent_doc_number] => 20230353943 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => Techniques For Generating Audio Signals [patent_app_type] => utility [patent_app_number] => 18/217652 [patent_app_country] => US [patent_app_date] => 2023-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7878 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18217652 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/217652
Techniques for generating audio signals Jul 2, 2023 Issued
Array ( [id] => 20582417 [patent_doc_number] => 12574677 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Sensor devices with liquid-filled cavity and air cavity [patent_app_type] => utility [patent_app_number] => 18/344905 [patent_app_country] => US [patent_app_date] => 2023-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 65 [patent_no_of_words] => 32412 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18344905 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/344905
Sensor devices with liquid-filled cavity and air cavity Jun 29, 2023 Issued
Array ( [id] => 18884425 [patent_doc_number] => 20240007794 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => DISTRIBUTED MODE LOUDSPEAKER WITH FREE MOTION HEAT SINK [patent_app_type] => utility [patent_app_number] => 18/216532 [patent_app_country] => US [patent_app_date] => 2023-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4225 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18216532 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/216532
DISTRIBUTED MODE LOUDSPEAKER WITH FREE MOTION HEAT SINK Jun 28, 2023 Pending
Array ( [id] => 20347138 [patent_doc_number] => 12470875 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Piezoelectric element, piezoelectric device, and manufacturing method of piezoelectric element [patent_app_type] => utility [patent_app_number] => 18/343903 [patent_app_country] => US [patent_app_date] => 2023-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 3253 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18343903 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/343903
Piezoelectric element, piezoelectric device, and manufacturing method of piezoelectric element Jun 28, 2023 Issued
Array ( [id] => 18730889 [patent_doc_number] => 20230345194 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => SYSTEMS AND METHODS FOR CALIBRATING SPEAKERS [patent_app_type] => utility [patent_app_number] => 18/343474 [patent_app_country] => US [patent_app_date] => 2023-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4072 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18343474 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/343474
Systems and methods for calibrating speakers Jun 27, 2023 Issued
Array ( [id] => 18730853 [patent_doc_number] => 20230345158 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => PRECISELY CONTROLLED MICROPHONE ACOUSTIC ATTENUATOR WITH PROTECTIVE MICROPHONE ENCLOSURE [patent_app_type] => utility [patent_app_number] => 18/215546 [patent_app_country] => US [patent_app_date] => 2023-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12721 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18215546 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/215546
Precisely controlled microphone acoustic attenuator with protective microphone enclosure Jun 27, 2023 Issued
Array ( [id] => 18822599 [patent_doc_number] => 20230396940 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => HEARING AID HAVING A SENSOR [patent_app_type] => utility [patent_app_number] => 18/342947 [patent_app_country] => US [patent_app_date] => 2023-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9537 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18342947 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/342947
Hearing aid having a sensor Jun 27, 2023 Issued
Array ( [id] => 19330045 [patent_doc_number] => 12047742 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-23 [patent_title] => Vibration generating device and display apparatus including the same [patent_app_type] => utility [patent_app_number] => 18/213648 [patent_app_country] => US [patent_app_date] => 2023-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 27 [patent_no_of_words] => 14767 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18213648 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/213648
Vibration generating device and display apparatus including the same Jun 22, 2023 Issued
Array ( [id] => 19429575 [patent_doc_number] => 12089022 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-10 [patent_title] => Panel-type speaker [patent_app_type] => utility [patent_app_number] => 18/339643 [patent_app_country] => US [patent_app_date] => 2023-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 9155 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18339643 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/339643
Panel-type speaker Jun 21, 2023 Issued
Array ( [id] => 19640250 [patent_doc_number] => 12170873 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-17 [patent_title] => Spatial audio correction [patent_app_type] => utility [patent_app_number] => 18/338841 [patent_app_country] => US [patent_app_date] => 2023-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 22 [patent_no_of_words] => 22723 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 314 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18338841 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/338841
Spatial audio correction Jun 20, 2023 Issued
Array ( [id] => 20082038 [patent_doc_number] => 12356128 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Multifunctional sound device [patent_app_type] => utility [patent_app_number] => 18/337414 [patent_app_country] => US [patent_app_date] => 2023-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18337414 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/337414
Multifunctional sound device Jun 18, 2023 Issued
Array ( [id] => 19647959 [patent_doc_number] => 20240422479 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => DYNAMIC CONTROL FOR SELECTIVE ACOUSTIC OPTIMIZATION OF THERMALLY OR POWER LIMITED SPEAKER SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/334795 [patent_app_country] => US [patent_app_date] => 2023-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5521 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18334795 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/334795
Dynamic control for selective acoustic optimization of thermally or power limited speaker systems Jun 13, 2023 Issued
Array ( [id] => 19087492 [patent_doc_number] => 20240114293 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => Sounding Device [patent_app_type] => utility [patent_app_number] => 18/334346 [patent_app_country] => US [patent_app_date] => 2023-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2629 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18334346 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/334346
Sounding device Jun 12, 2023 Issued
Array ( [id] => 20442621 [patent_doc_number] => 12513464 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Single power amplifier circuit realizes high and low frequency division of a speaker and anti-phase muffling of a receiver, and sounding device incorporating same [patent_app_type] => utility [patent_app_number] => 18/331120 [patent_app_country] => US [patent_app_date] => 2023-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 1258 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 364 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18331120 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/331120
Single power amplifier circuit realizes high and low frequency division of a speaker and anti-phase muffling of a receiver, and sounding device incorporating same Jun 6, 2023 Issued
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